CPU temperature seems rather high

violagirl23 · 2008-06-02 07:31:48

I have a Lenovo Thinkpad R61, and my temperature under normal load seems to stagnate around 50 degrees Celcius, which seems kind of high. When put under heavy load (compiling a kernel) it steadily rose to around 66 degrees celcius before I stopped the operation. While under heavy load, /proc/acpi/ibm/fan reported 3202, and under normal load now it reports 3125. Is it just me, or this CPU temperature kind of high? What can I do about it?
PS: Because it's a thinkpad, I can't use lm_sensors. thinkpad_acpi module takes care of such things.

Last edited by violagirl23 (2008-06-02 07:34:56)

bangkok_manouel · 2008-06-02 07:35:24

you'll some interesting stuff here:
http://bbs.archlinux.org/viewtopic.php?id=48944

[edit] check speedstep [/edit]

Last edited by bangkok_manouel (2008-06-02 07:36:02)

violagirl23 · 2008-06-02 07:57:10

So what should I do when I'm running on heavy load? 66 degrees Celcius seems rather high. I put it on powersave and it went down to 800 MHz while compiling the kernel, but of course that made it really slow. I'm just nervous I'll overheat it.
Oh one more thing... I also noticed that my AC adapter is REALLY hot. Still not hot enough to burn, but hot enough that you jerk your hand away if not expecting it, so pretty darn hot. What could be causing that, do you have any idea?

fukawi2 · 2008-06-02 08:45:47

Sounds pretty normal to my experience... Yes, it's high, but I wouldn't stress until it goes over about 70 or so

schivmeister · 2008-06-02 08:52:00

With linux-phc, I have an ultra cool laptop now with the max freq running with the voltage of the lowest freq, except for that bloody 60C hard disk!

violagirl23 · 2008-06-02 13:48:43

Hm. Seems kind of risky. I'd probably end up blowing my computer up. ;-;

finferflu · 2008-06-02 13:57:03

schivmeister wrote:

With linux-phc, I have an ultra cool laptop now with the max freq running with the voltage of the lowest freq

Can you give me more information about that please? Even a link is welcome

bangkok_manouel · 2008-06-02 14:16:24

finferflu wrote:

schivmeister wrote:
With linux-phc, I have an ultra cool laptop now with the max freq running with the voltage of the lowest freq
Can you give me more information about that please? Even a link is welcome

http://phc.athousandnights.de/

looks like stock kernel is already patched
http://projects.archlinux.org/?p=linux- … d49cc7ed3e

finferflu · 2008-06-02 14:17:59

bangkok_manouel wrote:

http://phc.athousandnights.de/
looks like stock kernel is already patched
http://projects.archlinux.org/?p=linux- … d49cc7ed3e

Thanks, that was concise and exhaustive

signor_rossi · 2008-06-02 18:06:14

schivmeister wrote:

With linux-phc, I have an ultra cool laptop now with the max freq running with the voltage of the lowest freq, except for that bloody 60C hard disk!

Your hard disk surely won't last long, what brand and model is yours?

When I first got my nx8220 it easily went up over 70°C and it still does, but I guess that is normal for that kind of model. I got replaced the motherboard once when inquiring for another fault and since that it runs a little cooler and doesn't go up over 70°C running at the highest frequency without load, it only does it under load now, so something was faulty for sure.
I have also experienced very hot AC adapters so far. I had a Pavillon laptop for one evening and an out of control ITunes installation (Windows machine) made one core of the processor run at full power and the totally empty battery was charging without me noticing until the case of the power brick relaxed with a loud noise (crack!). I touched it and it was incredibly hot, but fortunately nothing seemed to have taken damage.
@violagirl23
You probably don't have to lower the frequency to 800MHz, try the second fastest frequency.

Bye, signor_Rossi.

Last edited by signor_rossi (2008-06-02 18:26:48)

bangkok_manouel · 2008-06-03 03:19:01

finferflu wrote:

bangkok_manouel wrote:
http://phc.athousandnights.de/
looks like stock kernel is already patched
http://projects.archlinux.org/?p=linux- … d49cc7ed3e
Thanks, that was concise and exhaustive

well, concise, exhaustive and out-of-date
it looks like the patch has been removed from latest arch patchpacks
http://projects.archlinux.org/?p=linux- … e0534104ce

.:B:. · 2008-06-03 05:35:30

violagirl23 wrote:

So what should I do when I'm running on heavy load? 66 degrees Celcius seems rather high. I put it on powersave and it went down to 800 MHz while compiling the kernel, but of course that made it really slow. I'm just nervous I'll overheat it.
Oh one more thing... I also noticed that my AC adapter is REALLY hot. Still not hot enough to burn, but hot enough that you jerk your hand away if not expecting it, so pretty darn hot. What could be causing that, do you have any idea?

My CPU happily tops out at 72° C when compiling or stuff like that (it's a passively cooled ULV Intel). So you should be just fine. If your CPU really gets too hot, and your system is configured well, ACPI should shut your system down that very second (I had it before with an AMD-based laptop that went to 80° C and beyond ). After all, that's why those things sport a temperature sensor - to shut down to prevent overheating.

Last edited by B (2008-06-03 05:43:55)

Megamixman · 2008-06-03 06:01:58

You're temps seem fine for proc. The thing to really watch out for in terms of laptop temepratures is the damn hard drive. It is way more sensitive to high heat and considering most laptops have 1 big heat spreader for basically everything in there, you're more likely to fry your HD before your CPU.

That being said, it doesn't seem like the linux phc patch is being dev'ed anymore. That and their forum is littered with spam. Anyone know what happened?

violagirl23 · 2008-06-03 06:28:37

I think my hard drive temperature is okay, at 30 degrees Celcius.
(GPU's around 4 degrees higher than CPU on average, and battery's about 31 C).
So that's not too bad? All right, I've never really had a laptop before, so I am just so clueless about what is okay and what is not.

schivmeister · 2008-06-03 09:46:34

I fear for my laptop HDD (those Hitachi ones common in notebooks). It's been this hot for over a year already. I'm on the move so a cooler pad is extra bulk. Anyway none of my important data is on it so when it does die, I'm just gonna replace it with a CF

Regarding linux-phc, it was probably taken out due to being outdated. However there's an updated one here.

offshoreip · 2008-06-05 03:33:11

Your temps seem rather normal. I use a laptop cooling pad. My current one it the Belkin FSL001.
With it my ASUS W7J notbook temps normally run 45 C on battery and about 48-50 (avg load) on AC.
I have used other laptop coolers (admitedly not brand name) and this one is superior in design and portability (very light and small) You can really feel cool air moving under it because of the high speed fan and airflow space design. Maybe not for large laptop though.

moljac024 · 2008-06-05 09:08:23

I've been looking into that belkin cooling pad....would it fit with my 15.4" laptop ? What is a large laptop in this case ?

steve_v · 2008-06-07 02:28:29

[rant]
Hah, IME laptops = heaters.
Even my dinosaur P2 celeron lappy gets to 70C CPU under load BEFORE the BIOS turns on the fan.
I think the idea is to hold off running the cooling as long as possible so cpuidle/speedstep can allow the chip to cool before using battery to run the fan.
As for the AC adaptor heating up, this smacks of poor design, the PSU should be able to maintain full load + battery charging for at least as long as a full charge from empty takes. Anything else is cutting corners based on 'yeah but how often will THAT happen'.

If your ACPI setup is not doing what it should, power consumption + heat output will be excesive under no/low load but full load power is full load power, as there is nothing to turn off.
My attitude would be, set up acpi and speedstep then ignore the temps. If it cooks under load then the hardware cooling solution is rubbish.

Seriously though, your temps sound quite normal. Look up the specs for your CPU on processorfinder.intel.com (or the AMD equivalent) you will probably be surprised at how high the max temperatures are. As for the AC adaptor - Don't run full speed while the battery is charging? The damn thing should be designed to handle it.

Do try and keep the HDD cool if you can - it is spinning down when not used right? Modern HDDs generate a fair bit of heat themselves when running and there ain't much airflow around the disc in most laptops.
EDIT: your HDD temps look sweet.

Have you played with laptop_mode?

[/rant]

Steve.

Last edited by steve_v (2008-06-07 02:30:59)

violagirl23 · 2008-06-10 05:08:33

No, I have not played with laptop_mode. Perhaps the placement of my hard drive in the Thinkpad R61 is already near a fan... or something. Well, it's comforting to hear about the CPU max temps. I ended up buying that cooling pad after all because they had it at the store when I went to buy my case. It doesn't lower the CPU temperature very much but lowers the hard drive temperature down to the low 20s, ironically. But it acts as a nice stand as well, and keeps your lap cool, so I'm pretty happy with it. My 15.4'' laptop DOES hang off the sides of the pad but it is not obtrusive or annoying to me at all, if that helps the poster who asked about that at all.

offshoreip · 2008-06-10 09:11:05

Moljac
The Belkin FSL001,
It just fits my 13.3" laptop- ASUS W7J. Anything bigger than 14" will probably work fine but there will be some overhang since it's smallish. You decide if that's a problem. If you can, try the Belkin first (with your notebook) before you buy. The sucker probably cools anything well though.

Misfit138 · 2008-06-11 22:44:14

laptop-mode-tools should be next on your pacman -S list.
It provides exhaustive power control features that you will no doubt love.
Heavily commented config file also makes it easy.

TjPhysicist · 2008-10-07 23:43:57

I have a dell D610, and mine is CONSTANTLY in the 90', should this concern me??? According to acpi the critical trip point is 101C

-Tj

fukawi2 · 2008-10-07 23:48:36

TjPhysicist wrote:

I have a dell D610, and mine is CONSTANTLY in the 90', should this concern me??? According to acpi the critical trip point is 101C

My D610 is idling about 58 degrees. I'd be thinking 90 is waaaay high, but is that at idle or under heavy load?

TjPhysicist · 2008-10-08 00:00:27

thats me doing nothing. With no X at all it goes down to 80's maybe. But when I start X (dwm) and just let it sit (i.e. empty dwm desktop no windows), I get 95ish. Whatever i do its around that, even if im compiling firefox while playing with Compiz on gnome, WHILE watching a video. still 95ish. Perhaps my cpufreq is being retarded?

-Tj

Last edited by TjPhysicist (2008-10-08 00:06:56)

TjPhysicist · 2008-10-08 00:27:46

just checked and yes it IS my cpufreq governer being stupid, i am using the ondemand governer and it NEVER EVER goes below max speed, EVER. I am assuming the difference between ondemand and perfomance WAS that it actually changes the speed sometimes.

-tj

Arch Linux

#1 2008-06-02 07:31:48

CPU temperature seems rather high

#2 2008-06-02 07:35:24

Re: CPU temperature seems rather high

#3 2008-06-02 07:57:10

Re: CPU temperature seems rather high

#4 2008-06-02 08:45:47

Re: CPU temperature seems rather high

#5 2008-06-02 08:52:00

Re: CPU temperature seems rather high

#6 2008-06-02 13:48:43

Re: CPU temperature seems rather high

#7 2008-06-02 13:57:03

Re: CPU temperature seems rather high

#8 2008-06-02 14:16:24

Re: CPU temperature seems rather high

#9 2008-06-02 14:17:59

Re: CPU temperature seems rather high

#10 2008-06-02 18:06:14

Re: CPU temperature seems rather high

#11 2008-06-03 03:19:01

Re: CPU temperature seems rather high

#12 2008-06-03 05:35:30

Re: CPU temperature seems rather high

#13 2008-06-03 06:01:58

Re: CPU temperature seems rather high

#14 2008-06-03 06:28:37

Re: CPU temperature seems rather high

#15 2008-06-03 09:46:34

Re: CPU temperature seems rather high

#16 2008-06-05 03:33:11

Re: CPU temperature seems rather high

#17 2008-06-05 09:08:23

Re: CPU temperature seems rather high

#18 2008-06-07 02:28:29

Re: CPU temperature seems rather high

#19 2008-06-10 05:08:33

Re: CPU temperature seems rather high

#20 2008-06-10 09:11:05

Re: CPU temperature seems rather high

#21 2008-06-11 22:44:14

Re: CPU temperature seems rather high

#22 2008-10-07 23:43:57

Re: CPU temperature seems rather high

#23 2008-10-07 23:48:36

Re: CPU temperature seems rather high

#24 2008-10-08 00:00:27

Re: CPU temperature seems rather high

#25 2008-10-08 00:27:46

Re: CPU temperature seems rather high

Board footer